COMPUTER SCIENCE

DATA WAREHOUSE Data warehouse is a collection of data that support decision making processes. It provide the following features are ·         Subject oriented ·         Consistent ·         Shows its evaluations over time ·         Non volatile A data warehouse is a central location where consolidated data from multiple locations are stored. It is like a relational database design for analytical processing. DATA WAREHOUSING Data warehousing is the act of organizing data and storing data in a way so as to make its retrieval efficient and insightful. Also called data as the process of transferring   data into information. Is a collection of method, techniques, and tools to support knowledge workers to conduct data analysis that help with performing decision making process and improving information resources.